amadey | 4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
22-04-2024 17:31

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General

Target

4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
Size

1.8MB
MD5

1bc8d77f6c9fb82f56c8187bac07a48d
SHA1

9d24552eb4407c1ae3ed5f09819f7b9960b0642c
SHA256

4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487
SHA512

ee1b9383f64c57a9c048fb557399848844704d94df4efbd85ba5e02a236364321dea562db888690f91838911429bf2c262cc2b09dfb4973fbf55749f9b1f013b
SSDEEP

49152:kMu8beMB0vIZuFiZqn6VZ4oSwSbXDtIPmO7j:BtzivIAFiZI6hSZXjK

Score

10^/10

amadey evasion spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

4.17

http://193.233.132.167

Attributes

install_dir
4d0ab15804
install_file
chrosha.exe
strings_key
1a9519d7b465e1f4880fa09a6162d768
url_paths
/enigma/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	chrosha.exe

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exerundll32.exe

flow pid process

14 3400 rundll32.exe
15 4660 rundll32.exe
Downloads MZ/PE file

flow	pid	process
14	3400	rundll32.exe
15	4660	rundll32.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrosha.exe4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	chrosha.exe

Executes dropped EXE 2 IoCs

Processes:

chrosha.exemix123.exe

pid process

1204 chrosha.exe
1600 mix123.exe

pid	process
1204	chrosha.exe
1600	mix123.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	chrosha.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid process

4688 rundll32.exe
3400 rundll32.exe
4660 rundll32.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exechrosha.exe

pid process

2796 4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
1204 chrosha.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

mix123.exe

description pid process target process

PID 1600 set thread context of 648 1600 mix123.exe RegAsm.exe
Drops file in Windows directory 1 IoCs

Processes:

4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe

description ioc process

File created C:\Windows\Tasks\chrosha.job 4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1840 1600 WerFault.exe mix123.exe

pid	process
4688	rundll32.exe
3400	rundll32.exe
4660	rundll32.exe

description	pid	process	target process
PID 1600 set thread context of 648	1600	mix123.exe	RegAsm.exe

description	ioc	process
File created	C:\Windows\Tasks\chrosha.job	4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe

pid	pid_target	process	target process
1840	1600	WerFault.exe	mix123.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exechrosha.exerundll32.exepowershell.exe

pid	process
2796	4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
2796	4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
1204	chrosha.exe
1204	chrosha.exe
3400	rundll32.exe
3400	rundll32.exe
3400	rundll32.exe
3400	rundll32.exe
3400	rundll32.exe
3400	rundll32.exe
3400	rundll32.exe
3400	rundll32.exe
3400	rundll32.exe
3400	rundll32.exe
1052	powershell.exe
1052	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1052 powershell.exe

description	pid	process
Token: SeDebugPrivilege	1052	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

chrosha.exemix123.exerundll32.exerundll32.exe

description	pid	process	target process
PID 1204 wrote to memory of 1600	1204	chrosha.exe	mix123.exe
PID 1204 wrote to memory of 1600	1204	chrosha.exe	mix123.exe
PID 1204 wrote to memory of 1600	1204	chrosha.exe	mix123.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1600 wrote to memory of 648	1600	mix123.exe	RegAsm.exe
PID 1204 wrote to memory of 4688	1204	chrosha.exe	rundll32.exe
PID 1204 wrote to memory of 4688	1204	chrosha.exe	rundll32.exe
PID 1204 wrote to memory of 4688	1204	chrosha.exe	rundll32.exe
PID 4688 wrote to memory of 3400	4688	rundll32.exe	rundll32.exe
PID 4688 wrote to memory of 3400	4688	rundll32.exe	rundll32.exe
PID 3400 wrote to memory of 3916	3400	rundll32.exe	netsh.exe
PID 3400 wrote to memory of 3916	3400	rundll32.exe	netsh.exe
PID 3400 wrote to memory of 1052	3400	rundll32.exe	powershell.exe
PID 3400 wrote to memory of 1052	3400	rundll32.exe	powershell.exe
PID 1204 wrote to memory of 4660	1204	chrosha.exe	rundll32.exe
PID 1204 wrote to memory of 4660	1204	chrosha.exe	rundll32.exe
PID 1204 wrote to memory of 4660	1204	chrosha.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe
"C:\Users\Admin\AppData\Local\Temp\4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2796

C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\1000204001\mix123.exe
"C:\Users\Admin\AppData\Local\Temp\1000204001\mix123.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 400
3⤵
- Program crash
PID:1840

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4688

C:\Windows\system32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3400

C:\Windows\system32\netsh.exe
netsh wlan show profiles
4⤵
PID:3916

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\263309122282_Desktop.zip' -CompressionLevel Optimal
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1052

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:4660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1600 -ip 1600
1⤵
PID:4312

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1000204001\mix123.exe
Filesize
460KB

MD5
b0ad062d7a3c30ea28fc19a17342864b

SHA1
2f564ec9aa1b0d62ecd60f098742635dd69e01b2

SHA256
b3e69d9ba38efb593238787f599ddf2c5d76207906126a7a3422c53a7d898d5a

SHA512
c30dad0a60d6000473d9d8a64397898d3d710dab8c3bb336c27096b9f9dc2672022480d19c7b351ac2014508ac415fecf97182b88ff747a15dfeb805943e825a

Download Submit
C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
Filesize
1.8MB

MD5
1bc8d77f6c9fb82f56c8187bac07a48d

SHA1
9d24552eb4407c1ae3ed5f09819f7b9960b0642c

SHA256
4ae7fa8e9b495c472410127356ed4b13357b9cb76a881c1c31043cbac0dd7487

SHA512
ee1b9383f64c57a9c048fb557399848844704d94df4efbd85ba5e02a236364321dea562db888690f91838911429bf2c262cc2b09dfb4973fbf55749f9b1f013b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_drnmcd1p.5u4.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll
Filesize
109KB

MD5
154c3f1334dd435f562672f2664fea6b

SHA1
51dd25e2ba98b8546de163b8f26e2972a90c2c79

SHA256
5f431129f97f3d56929f1e5584819e091bd6c854d7e18503074737fc6d79e33f

SHA512
1bca69bbcdb7ecd418769e9d4befc458f9f8e3cee81feb7316bb61e189e2904f4431e4cc7d291e179a5dec441b959d428d8e433f579036f763bbad6460222841

Download Submit
C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll
Filesize
1.2MB

MD5
f35b671fda2603ec30ace10946f11a90

SHA1
059ad6b06559d4db581b1879e709f32f80850872

SHA256
83e3df5bec15d5333935bea8b719a6d677e2fb3dc1cf9e18e7b82fd0438285c7

SHA512
b5fa27d08c64727cef7fdda5e68054a4359cd697df50d70d1d90da583195959a139066a6214531bbc5f20cd4f9bc1ca3e4244396547381291a6a1d2df9cf8705

Download Submit
memory/648-44-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/648-48-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/648-47-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1052-83-0x00007FFD50BB0000-0x00007FFD51672000-memory.dmp

Filesize
10.8MB

Download
memory/1052-77-0x000001CB532C0000-0x000001CB532CA000-memory.dmp

Filesize
40KB

Download
memory/1052-76-0x000001CB6B800000-0x000001CB6B812000-memory.dmp

Filesize
72KB

Download
memory/1052-74-0x000001CB52D50000-0x000001CB52D60000-memory.dmp

Filesize
64KB

Download
memory/1052-73-0x000001CB52D50000-0x000001CB52D60000-memory.dmp

Filesize
64KB

Download
memory/1052-72-0x00007FFD50BB0000-0x00007FFD51672000-memory.dmp

Filesize
10.8MB

Download
memory/1052-64-0x000001CB531F0000-0x000001CB53212000-memory.dmp

Filesize
136KB

Download
memory/1204-75-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-101-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-96-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-22-0x0000000004C10000-0x0000000004C11000-memory.dmp

Filesize
4KB

Download
memory/1204-21-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download
memory/1204-20-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/1204-26-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/1204-27-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/1204-102-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-24-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/1204-25-0x0000000004C00000-0x0000000004C01000-memory.dmp

Filesize
4KB

Download
memory/1204-84-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-23-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/1204-49-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-100-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-62-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-19-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-99-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-18-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-98-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1204-97-0x0000000000AD0000-0x0000000000F89000-memory.dmp

Filesize
4.7MB

Download
memory/1600-45-0x0000000000E40000-0x0000000000EB4000-memory.dmp

Filesize
464KB

Download
memory/2796-0-0x0000000000A90000-0x0000000000F49000-memory.dmp

Filesize
4.7MB

Download
memory/2796-10-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/2796-6-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

Filesize
4KB

Download
memory/2796-9-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/2796-1-0x0000000077DB6000-0x0000000077DB8000-memory.dmp

Filesize
8KB

Download
memory/2796-7-0x0000000004B00000-0x0000000004B01000-memory.dmp

Filesize
4KB

Download
memory/2796-15-0x0000000000A90000-0x0000000000F49000-memory.dmp

Filesize
4.7MB

Download
memory/2796-3-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/2796-2-0x0000000000A90000-0x0000000000F49000-memory.dmp

Filesize
4.7MB

Download
memory/2796-4-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/2796-8-0x0000000004B30000-0x0000000004B31000-memory.dmp

Filesize
4KB

Download
memory/2796-5-0x0000000004B50000-0x0000000004B51000-memory.dmp

Filesize
4KB

Download